High Fidelity noise reduction cctv microphone CCTV audio surveillance
GO Back- SKU: SUPR-116
- Brand: OEM
- Color: white
- Weight: -g
- Size: -
- Material: plastic
- MOQ: >10
- Lead time: 7-15 days
- Description
- Parameter
Using multistage dynamic noise reduction processing, clear voice, low noise
Echo cancellation technique. Reduce the echo
DSP noise reduction processing, Automatic gain control (AGC) circuit, ALC automatic level control
Built in lightning protection processing, power polarity reversal protection processing
Integrated import front audio amplifier, microphone can drive directly Active speaker, DVR and recorder
Suit for place such as police, court, meeting room. Interrogation room, bank, etc.
Monitoring range
10-80sqm
Working voltage
12 V DC regulated power
Supply current
20mA
Operating Temperature
- 30℃ ~ 60 ℃
Sensitivity Reduction
-40db
Signal Noise Ratio
75db
Frequency response
20Hz ~ 20KHz
Directivity
Omni directional
Output signal amplitude
2.5 Vpp /- 25 db
Maximum sound pressure
120db SPL (1 KHz, THD 1%)
Connecting way
red line-power, black line - ground wires, white line -- audio.
Transmission cable
0.5 mmRVVP 3 core shielded cable, ordinary 4 core telephone lines, five types of network twisted-pair cable
